Residents of several cities in the Rostov region reported a powerful explosion. Citing eyewitnesses, local publication 161.ru noted that the distance between some of the witnesses was nearly 125 miles.
The sound of the explosion was heard by 161.ru readers in Rostov-on-Don, Azov, Taganrog, Novoshakhtinsk, Shakhty, Novocherkassk, Aksay, and Yeysk.
According to eyewitnesses, "fences trembled in some places" after the explosion and car alarms went off in Rostov-on-Don. Near the village of Peshkovo (about 30 miles from Rostov-on-Don), witnesses noticed three or four sources of black smoke.
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Baza, citing eyewitness accounts, videos and photos on social media, reported that an air-defense system in Taganrog had been triggered, and that black smoke could be seen near the village of Chaltyr (about 12 miles from Rostov-on-Don).
161.ru wrote that the press service of the main directorate of the Ministry of Emergency Situations of the Rostov region had no information about the explosion or other emergencies. Representatives of the regional authorities have not commented on the situation.
Update: Igor Strelkov posted on Telegram that an S-300 system shot down a Tochka-U near Taganrog. According to Strelkov, there were no casualties or damage, and the fire was caused by debris from the downed missile.